Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
classic-co.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-02 12:54:45 UTC · ↺ Refresh
MX Hostnames
- classicco-com01i.mail.protection.outlook.com
MX Priorities
- classicco-com01i.mail.protection.outlook.com: 0
A / AAAA Records
- 172.67.214.88 (no PTR)
- 104.21.35.64 (no PTR)
- 2606:4700:3037::6815:2340
- 2606:4700:3036::ac43:d658
Mail Server IPs
- 52.101.192.0 ↩ mail-yqzpr01cu00900.inbound.protection.outlook.com
- 52.101.192.1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 52.101.190.2 ↩ mail-yt3pr01cu00602.inbound.protection.outlook.com
- 52.101.190.3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c944::1 ↩ mail-yqzpr01cu01001.inbound.protection.outlook.com
- 2a01:111:f403:c942::3 ↩ mail-yt6pr01cu00103.inbound.protection.outlook.com
- 2a01:111:f403:c942::1 ↩ mail-yt3pr01cu00701.inbound.protection.outlook.com
- 2a01:111:f403:c942:: ↩ mail-yt5pr01cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
mark.ns.cloudflare.com dns.cloudflare.com 2400507022 10000 2400 604800 1800
Primary NS (mname)
mark.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400507022
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
pam.ns.cloudflare.com
mark.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 ip4:131.239.184.50 ip4:209.90.138.118 include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:sendgrid.net include:aspmx.pardot.com include:_spf.salesforce.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; adkim=s; aspf=s; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
7 records- google-site-verification=Ap0tV1bfSwTEsgBSH7LklvJwzmQb6nKEgl7JYjWs8Io
- knowbe4-site-verification=5ca30768adc02372438aa493393d85fe
- pardot1038183=b2f6d7a54daacada4ab6bfd337d53ad150c4a48388a3bf204af0504932dfd87b
- sending_domain1038183=088125619176ea4950ae1ada5f80d1fe3df7ed905d070e59d502a8914431d048
- SPFv=spf1 ip4:131.239.184.50 ip4:209.90.138.118 include:spf.constantcontact.com include:spf.protection.outlook.com include:spf.emailsignatures365.com include:sendgrid.net include:aspmx.pardot.com include:_spf.salesforce.com -all
- ZOOM_verify_IL966yCl0fv3qyEX5gz9kb
- docusign=92b521dc-7cef-435b-9529-b2c627c84fc4
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